/*
 * Copyright © 2004-2021 L2J DataPack
 * 
 * This file is part of L2J DataPack.
 * 
 * L2J DataPack is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * L2J DataPack is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.datapack.instances.FinalEmperialTomb;

import static com.l2jserver.gameserver.config.Configuration.server;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.logging.Level;

import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import com.l2jserver.datapack.instances.AbstractInstance;
import com.l2jserver.gameserver.GeoData;
import com.l2jserver.gameserver.ThreadPoolManager;
import com.l2jserver.gameserver.ai.CtrlIntention;
import com.l2jserver.gameserver.enums.InstanceType;
import com.l2jserver.gameserver.instancemanager.InstanceManager;
import com.l2jserver.gameserver.model.L2CommandChannel;
import com.l2jserver.gameserver.model.L2Party;
import com.l2jserver.gameserver.model.L2Territory;
import com.l2jserver.gameserver.model.L2World;
import com.l2jserver.gameserver.model.Location;
import com.l2jserver.gameserver.model.PcCondOverride;
import com.l2jserver.gameserver.model.actor.L2Attackable;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2GrandBossInstance;
import com.l2jserver.gameserver.model.actor.instance.L2MonsterInstance;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.effects.L2EffectType;
import com.l2jserver.gameserver.model.holders.SkillHolder;
import com.l2jserver.gameserver.model.instancezone.InstanceWorld;
import com.l2jserver.gameserver.model.skills.Skill;
import com.l2jserver.gameserver.network.NpcStringId;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.AbstractNpcInfo.NpcInfo;
import com.l2jserver.gameserver.network.serverpackets.Earthquake;
import com.l2jserver.gameserver.network.serverpackets.ExShowScreenMessage;
import com.l2jserver.gameserver.network.serverpackets.L2GameServerPacket;
import com.l2jserver.gameserver.network.serverpackets.MagicSkillCanceled;
import com.l2jserver.gameserver.network.serverpackets.MagicSkillUse;
import com.l2jserver.gameserver.network.serverpackets.SocialAction;
import com.l2jserver.gameserver.network.serverpackets.SpecialCamera;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
import com.l2jserver.gameserver.util.Util;

/**
 * Final Emperial Tomb instance zone. TODO:<br>
 * Test when Frintezza song use 5008 effect skill.<br>
 * Test deeply Scarlet van Halisha's AI.<br>
 * Use proper zone spawn system.
 * @author Gigiikun
 */
public final class FinalEmperialTomb extends AbstractInstance {
	protected class FETWorld extends InstanceWorld {
		protected Lock lock = new ReentrantLock();
		protected List<L2Npc> npcList = new CopyOnWriteArrayList<>();
		protected int darkChoirPlayerCount = 0;
		protected FrintezzaSong OnSong = null;
		protected ScheduledFuture<?> songTask = null;
		protected ScheduledFuture<?> songEffectTask = null;
		protected boolean isVideo = false;
		protected L2Npc frintezzaDummy = null;
		protected L2Npc overheadDummy = null;
		protected L2Npc portraitDummy1 = null;
		protected L2Npc portraitDummy3 = null;
		protected L2Npc scarletDummy = null;
		protected L2GrandBossInstance frintezza = null;
		protected L2GrandBossInstance activeScarlet = null;
		protected List<L2MonsterInstance> demons = new CopyOnWriteArrayList<>();
		protected Map<L2MonsterInstance, Integer> portraits = new ConcurrentHashMap<>();
		protected int scarlet_x = 0;
		protected int scarlet_y = 0;
		protected int scarlet_z = 0;
		protected int scarlet_h = 0;
		protected int scarlet_a = 0;
	}
	
	protected static class FETSpawn {
		public boolean isZone = false;
		public boolean isNeededNextFlag = false;
		public int npcId;
		public int x = 0;
		public int y = 0;
		public int z = 0;
		public int h = 0;
		public int zone = 0;
		public int count = 0;
	}
	
	private static class FrintezzaSong {
		public SkillHolder skill;
		public SkillHolder effectSkill;
		public NpcStringId songName;
		public int chance;
		
		public FrintezzaSong(SkillHolder sk, SkillHolder esk, NpcStringId sn, int ch) {
			skill = sk;
			effectSkill = esk;
			songName = sn;
			chance = ch;
		}
	}
	
	// NPCs
	private static final int GUIDE = 32011;
	private static final int CUBE = 29061;
	private static final int SCARLET1 = 29046;
	private static final int SCARLET2 = 29047;
	private static final int FRINTEZZA = 29045;
	private static final int[] PORTRAITS = {
		29048,
		29049
	};
	private static final int[] DEMONS = {
		29050,
		29051
	};
	private static final int HALL_ALARM = 18328;
	private static final int HALL_KEEPER_CAPTAIN = 18329;
	// Items
	private static final int HALL_KEEPER_SUICIDAL_SOLDIER = 18333;
	private static final int DARK_CHOIR_PLAYER = 18339;
	private static final int[] AI_DISABLED_MOBS = {
		18328
	};
	private static final int DEWDROP_OF_DESTRUCTION_ITEM_ID = 8556;
	private static final int FIRST_SCARLET_WEAPON = 8204;
	private static final int SECOND_SCARLET_WEAPON = 7903;
	// Skills
	private static final int DEWDROP_OF_DESTRUCTION_SKILL_ID = 2276;
	private static final int SOUL_BREAKING_ARROW_SKILL_ID = 2234;
	protected static final SkillHolder INTRO_SKILL = new SkillHolder(5004, 1);
	private static final SkillHolder FIRST_MORPH_SKILL = new SkillHolder(5017, 1);
	
	protected static final FrintezzaSong[] FRINTEZZASONGLIST = {
		new FrintezzaSong(new SkillHolder(5007, 1), new SkillHolder(5008, 1), NpcStringId.REQUIEM_OF_HATRED, 5),
		new FrintezzaSong(new SkillHolder(5007, 2), new SkillHolder(5008, 2), NpcStringId.RONDO_OF_SOLITUDE, 50),
		new FrintezzaSong(new SkillHolder(5007, 3), new SkillHolder(5008, 3), NpcStringId.FRENETIC_TOCCATA, 70),
		new FrintezzaSong(new SkillHolder(5007, 4), new SkillHolder(5008, 4), NpcStringId.FUGUE_OF_JUBILATION, 90),
		new FrintezzaSong(new SkillHolder(5007, 5), new SkillHolder(5008, 5), NpcStringId.HYPNOTIC_MAZURKA, 100),
	};
	// Locations
	private static final Location ENTER_TELEPORT = new Location(-88015, -141153, -9168);
	protected static final Location MOVE_TO_CENTER = new Location(-87904, -141296, -9168, 0);
	// Misc
	private static final int TEMPLATE_ID = 136; // this is the client number
	private static final int MIN_PLAYERS = 18;
	private static final int MAX_PLAYERS = 45;
	private static final int TIME_BETWEEN_DEMON_SPAWNS = 20000;
	private static final int MAX_DEMONS = 24;
	private static final boolean debug = false;
	private final Map<Integer, L2Territory> _spawnZoneList = new HashMap<>();
	private final Map<Integer, List<FETSpawn>> _spawnList = new HashMap<>();
	private final List<Integer> _mustKillMobsId = new ArrayList<>();
	protected static final int[] FIRST_ROOM_DOORS = {
		17130051,
		17130052,
		17130053,
		17130054,
		17130055,
		17130056,
		17130057,
		17130058
	};
	protected static final int[] SECOND_ROOM_DOORS = {
		17130061,
		17130062,
		17130063,
		17130064,
		17130065,
		17130066,
		17130067,
		17130068,
		17130069,
		17130070
	};
	protected static final int[] FIRST_ROUTE_DOORS = {
		17130042,
		17130043
	};
	protected static final int[] SECOND_ROUTE_DOORS = {
		17130045,
		17130046
	};
	// @formatter:off
	protected static final int[][] PORTRAIT_SPAWNS =
	{
		{29048, -89381, -153981, -9168, 3368, -89378, -153968, -9168, 3368},
		{29048, -86234, -152467, -9168, 37656, -86261, -152492, -9168, 37656},
		{29049, -89342, -152479, -9168, -5152, -89311, -152491, -9168, -5152},
		{29049, -86189, -153968, -9168, 29456, -86217, -153956, -9168, 29456},
	};
	// @formatter:on
	
	public FinalEmperialTomb() {
		super(FinalEmperialTomb.class.getSimpleName());
		load();
		addAttackId(SCARLET1, FRINTEZZA);
		addAttackId(PORTRAITS);
		addStartNpc(GUIDE, CUBE);
		addTalkId(GUIDE, CUBE);
		addKillId(HALL_ALARM, HALL_KEEPER_CAPTAIN, DARK_CHOIR_PLAYER, SCARLET2);
		addKillId(PORTRAITS);
		addKillId(DEMONS);
		addKillId(_mustKillMobsId);
		addSpellFinishedId(HALL_KEEPER_SUICIDAL_SOLDIER);
	}
	
	private void load() {
		@SuppressWarnings("unused")
		int spawnCount = 0;
		try {
			DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
			factory.setValidating(false);
			factory.setIgnoringComments(true);
			
			File file = new File(server().getDatapackRoot(), "/data/spawnZones/final_emperial_tomb.xml");
			if (!file.exists()) {
				_log.severe("[Final Emperial Tomb] Missing final_emperial_tomb.xml. The quest wont work without it!");
				return;
			}
			
			Document doc = factory.newDocumentBuilder().parse(file);
			Node first = doc.getFirstChild();
			if ((first != null) && "list".equalsIgnoreCase(first.getNodeName())) {
				for (Node n = first.getFirstChild(); n != null; n = n.getNextSibling()) {
					if ("npc".equalsIgnoreCase(n.getNodeName())) {
						for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling()) {
							if ("spawn".equalsIgnoreCase(d.getNodeName())) {
								NamedNodeMap attrs = d.getAttributes();
								Node att = attrs.getNamedItem("npcId");
								if (att == null) {
									_log.severe("[Final Emperial Tomb] Missing npcId in npc List, skipping");
									continue;
								}
								int npcId = Integer.parseInt(attrs.getNamedItem("npcId").getNodeValue());
								
								att = attrs.getNamedItem("flag");
								if (att == null) {
									_log.severe("[Final Emperial Tomb] Missing flag in npc List npcId: " + npcId + ", skipping");
									continue;
								}
								
								int flag = Integer.parseInt(attrs.getNamedItem("flag").getNodeValue());
								_spawnList.putIfAbsent(flag, new ArrayList<FETSpawn>());
								
								for (Node cd = d.getFirstChild(); cd != null; cd = cd.getNextSibling()) {
									if ("loc".equalsIgnoreCase(cd.getNodeName())) {
										attrs = cd.getAttributes();
										FETSpawn spw = new FETSpawn();
										spw.npcId = npcId;
										
										att = attrs.getNamedItem("x");
										if (att != null) {
											spw.x = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("y");
										if (att != null) {
											spw.y = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("z");
										if (att != null) {
											spw.z = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("heading");
										if (att != null) {
											spw.h = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("mustKill");
										if (att != null) {
											spw.isNeededNextFlag = Boolean.parseBoolean(att.getNodeValue());
										}
										if (spw.isNeededNextFlag) {
											_mustKillMobsId.add(npcId);
										}
										_spawnList.get(flag).add(spw);
										spawnCount++;
									} else if ("zone".equalsIgnoreCase(cd.getNodeName())) {
										attrs = cd.getAttributes();
										FETSpawn spw = new FETSpawn();
										spw.npcId = npcId;
										spw.isZone = true;
										
										att = attrs.getNamedItem("id");
										if (att != null) {
											spw.zone = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("count");
										if (att != null) {
											spw.count = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("mustKill");
										if (att != null) {
											spw.isNeededNextFlag = Boolean.parseBoolean(att.getNodeValue());
										}
										if (spw.isNeededNextFlag) {
											_mustKillMobsId.add(npcId);
										}
										_spawnList.get(flag).add(spw);
										spawnCount++;
									}
								}
							}
						}
					} else if ("spawnZones".equalsIgnoreCase(n.getNodeName())) {
						for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling()) {
							if ("zone".equalsIgnoreCase(d.getNodeName())) {
								NamedNodeMap attrs = d.getAttributes();
								Node att = attrs.getNamedItem("id");
								if (att == null) {
									_log.severe("[Final Emperial Tomb] Missing id in spawnZones List, skipping");
									continue;
								}
								int id = Integer.parseInt(att.getNodeValue());
								att = attrs.getNamedItem("minZ");
								if (att == null) {
									_log.severe("[Final Emperial Tomb] Missing minZ in spawnZones List id: " + id + ", skipping");
									continue;
								}
								int minz = Integer.parseInt(att.getNodeValue());
								att = attrs.getNamedItem("maxZ");
								if (att == null) {
									_log.severe("[Final Emperial Tomb] Missing maxZ in spawnZones List id: " + id + ", skipping");
									continue;
								}
								int maxz = Integer.parseInt(att.getNodeValue());
								L2Territory ter = new L2Territory(id);
								
								for (Node cd = d.getFirstChild(); cd != null; cd = cd.getNextSibling()) {
									if ("point".equalsIgnoreCase(cd.getNodeName())) {
										attrs = cd.getAttributes();
										int x, y;
										att = attrs.getNamedItem("x");
										if (att != null) {
											x = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										att = attrs.getNamedItem("y");
										if (att != null) {
											y = Integer.parseInt(att.getNodeValue());
										} else {
											continue;
										}
										
										ter.add(x, y, minz, maxz, 0);
									}
								}
								
								_spawnZoneList.put(id, ter);
							}
						}
					}
				}
			}
		} catch (Exception e) {
			_log.log(Level.WARNING, "[Final Emperial Tomb] Could not parse final_emperial_tomb.xml file: " + e.getMessage(), e);
		}
		if (debug) {
			_log.info("[Final Emperial Tomb] Loaded " + _spawnZoneList.size() + " spawn zones data.");
			_log.info("[Final Emperial Tomb] Loaded " + spawnCount + " spawns data.");
		}
	}
	
	@Override
	protected boolean checkConditions(L2PcInstance player) {
		if (debug || player.canOverrideCond(PcCondOverride.INSTANCE_CONDITIONS)) {
			return true;
		}
		
		final L2Party party = player.getParty();
		if (party == null) {
			player.sendPacket(SystemMessageId.NOT_IN_PARTY_CANT_ENTER);
			return false;
		}
		
		final L2CommandChannel channel = player.getParty().getCommandChannel();
		if (channel == null) {
			player.sendPacket(SystemMessageId.NOT_IN_COMMAND_CHANNEL_CANT_ENTER);
			return false;
		} else if (channel.getLeader() != player) {
			player.sendPacket(SystemMessageId.ONLY_PARTY_LEADER_CAN_ENTER);
			return false;
		} else if (player.getInventory().getItemByItemId(8073) == null) {
			SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_ITEM_REQUIREMENT_NOT_SUFFICIENT);
			sm.addPcName(player);
			player.sendPacket(sm);
			return false;
		} else if ((channel.getMemberCount() < MIN_PLAYERS) || (channel.getMemberCount() > MAX_PLAYERS)) {
			player.sendPacket(SystemMessageId.PARTY_EXCEEDED_THE_LIMIT_CANT_ENTER);
			return false;
		}
		for (L2PcInstance channelMember : channel.getMembers()) {
			if (channelMember.getLevel() < 80) {
				party.broadcastPacket(SystemMessage.getSystemMessage(SystemMessageId.C1_S_LEVEL_REQUIREMENT_IS_NOT_SUFFICIENT_AND_CANNOT_BE_ENTERED).addPcName(channelMember));
				return false;
			}
			if (!Util.checkIfInRange(1000, player, channelMember, true)) {
				party.broadcastPacket(SystemMessage.getSystemMessage(SystemMessageId.C1_IS_IN_A_LOCATION_WHICH_CANNOT_BE_ENTERED_THEREFORE_IT_CANNOT_BE_PROCESSED).addPcName(channelMember));
				return false;
			}
			final Long reentertime = InstanceManager.getInstance().getInstanceTime(channelMember.getObjectId(), TEMPLATE_ID);
			if (System.currentTimeMillis() < reentertime) {
				party.broadcastPacket(SystemMessage.getSystemMessage(SystemMessageId.C1_MAY_NOT_RE_ENTER_YET).addPcName(channelMember));
				return false;
			}
		}
		return true;
	}
	
	@Override
	public void onEnterInstance(L2PcInstance player, InstanceWorld world, boolean firstEntrance) {
		if (firstEntrance) {
			controlStatus((FETWorld) world);
			
			if ((player.getParty() == null) || (player.getParty().getCommandChannel() == null)) {
				player.destroyItemByItemId(getName(), DEWDROP_OF_DESTRUCTION_ITEM_ID, player.getInventory().getInventoryItemCount(DEWDROP_OF_DESTRUCTION_ITEM_ID, -1), null, true);
				world.addAllowed(player.getObjectId());
				teleportPlayer(player, ENTER_TELEPORT, world.getInstanceId(), false);
			} else {
				for (L2PcInstance channelMember : player.getParty().getCommandChannel().getMembers()) {
					channelMember.destroyItemByItemId(getName(), DEWDROP_OF_DESTRUCTION_ITEM_ID, channelMember.getInventory().getInventoryItemCount(DEWDROP_OF_DESTRUCTION_ITEM_ID, -1), null, true);
					world.addAllowed(channelMember.getObjectId());
					teleportPlayer(channelMember, ENTER_TELEPORT, world.getInstanceId(), false);
				}
			}
		} else {
			teleportPlayer(player, ENTER_TELEPORT, world.getInstanceId(), false);
		}
	}
	
	protected boolean checkKillProgress(L2Npc mob, FETWorld world) {
		if (world.npcList.contains(mob)) {
			world.npcList.remove(mob);
		}
		return world.npcList.isEmpty();
	}
	
	private void spawnFlaggedNPCs(FETWorld world, int flag) {
		if (world.lock.tryLock()) {
			try {
				for (FETSpawn spw : _spawnList.get(flag)) {
					if (spw.isZone) {
						for (int i = 0; i < spw.count; i++) {
							if (_spawnZoneList.containsKey(spw.zone)) {
								final Location location = _spawnZoneList.get(spw.zone).getRandomPoint();
								if (location != null) {
									spawn(world, spw.npcId, location.getX(), location.getY(), GeoData.getInstance().getSpawnHeight(location), getRandom(65535), spw.isNeededNextFlag);
								}
							} else {
								_log.info("[Final Emperial Tomb] Missing zone: " + spw.zone);
							}
						}
					} else {
						spawn(world, spw.npcId, spw.x, spw.y, spw.z, spw.h, spw.isNeededNextFlag);
					}
				}
			} finally {
				world.lock.unlock();
			}
		}
	}
	
	protected boolean controlStatus(FETWorld world) {
		if (world.lock.tryLock()) {
			try {
				if (debug) {
					_log.info("[Final Emperial Tomb] Starting " + world.getStatus() + ". status.");
				}
				world.npcList.clear();
				switch (world.getStatus()) {
					case 0:
						spawnFlaggedNPCs(world, 0);
						break;
					case 1:
						for (int doorId : FIRST_ROUTE_DOORS) {
							openDoor(doorId, world.getInstanceId());
						}
						spawnFlaggedNPCs(world, world.getStatus());
						break;
					case 2:
						for (int doorId : SECOND_ROUTE_DOORS) {
							openDoor(doorId, world.getInstanceId());
						}
						ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(world, 0), 600000);
						break;
					case 3: // first morph
						if (world.songEffectTask != null) {
							world.songEffectTask.cancel(false);
						}
						world.songEffectTask = null;
						world.activeScarlet.setIsInvul(true);
						if (world.activeScarlet.isCastingNow()) {
							world.activeScarlet.abortCast();
						}
						handleReenterTime(world);
						world.activeScarlet.doCast(FIRST_MORPH_SKILL);
						ThreadPoolManager.getInstance().scheduleGeneral(new SongTask(world, 2), 1500);
						break;
					case 4: // second morph
						world.isVideo = true;
						broadCastPacket(world, new MagicSkillCanceled(world.frintezza.getObjectId()));
						if (world.songEffectTask != null) {
							world.songEffectTask.cancel(false);
						}
						world.songEffectTask = null;
						ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(world, 23), 2000);
						ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(world, 24), 2100);
						break;
					case 5: // raid success
						world.isVideo = true;
						broadCastPacket(world, new MagicSkillCanceled(world.frintezza.getObjectId()));
						if (world.songTask != null) {
							world.songTask.cancel(true);
						}
						if (world.songEffectTask != null) {
							world.songEffectTask.cancel(false);
						}
						world.songTask = null;
						world.songEffectTask = null;
						ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(world, 33), 500);
						break;
					case 6: // open doors
						InstanceManager.getInstance().getInstance(world.getInstanceId()).setDuration(300000);
						for (int doorId : FIRST_ROOM_DOORS) {
							openDoor(doorId, world.getInstanceId());
						}
						for (int doorId : FIRST_ROUTE_DOORS) {
							openDoor(doorId, world.getInstanceId());
						}
						for (int doorId : SECOND_ROUTE_DOORS) {
							openDoor(doorId, world.getInstanceId());
						}
						for (int doorId : SECOND_ROOM_DOORS) {
							closeDoor(doorId, world.getInstanceId());
						}
						break;
				}
				world.incStatus();
				return true;
			} finally {
				world.lock.unlock();
			}
		}
		return false;
	}
	
	protected void spawn(FETWorld world, int npcId, int x, int y, int z, int h, boolean addToKillTable) {
		final L2Npc npc = addSpawn(npcId, x, y, z, h, false, 0, false, world.getInstanceId());
		if (addToKillTable) {
			world.npcList.add(npc);
		}
		npc.setIsNoRndWalk(true);
		if (npc.isInstanceTypes(InstanceType.L2Attackable)) {
			((L2Attackable) npc).setSeeThroughSilentMove(true);
		}
		if (Util.contains(AI_DISABLED_MOBS, npcId)) {
			npc.disableCoreAI(true);
		}
		if (npcId == DARK_CHOIR_PLAYER) {
			world.darkChoirPlayerCount++;
		}
	}
	
	private class DemonSpawnTask implements Runnable {
		private final FETWorld _world;
		
		DemonSpawnTask(FETWorld world) {
			_world = world;
		}
		
		@Override
		public void run() {
			if ((InstanceManager.getInstance().getWorld(_world.getInstanceId()) != _world) || _world.portraits.isEmpty()) {
				if (debug) {
					_log.info("[Final Emperial Tomb] Instance is deleted or all Portraits is killed.");
				}
				return;
			}
			for (int i : _world.portraits.values()) {
				if (_world.demons.size() > MAX_DEMONS) {
					break;
				}
				L2MonsterInstance demon = (L2MonsterInstance) addSpawn(PORTRAIT_SPAWNS[i][0] + 2, PORTRAIT_SPAWNS[i][5], PORTRAIT_SPAWNS[i][6], PORTRAIT_SPAWNS[i][7], PORTRAIT_SPAWNS[i][8], false, 0, false, _world.getInstanceId());
				updateKnownList(_world, demon);
				_world.demons.add(demon);
			}
			ThreadPoolManager.getInstance().scheduleGeneral(new DemonSpawnTask(_world), TIME_BETWEEN_DEMON_SPAWNS);
		}
	}
	
	private class SoulBreakingArrow implements Runnable {
		private final L2Npc _npc;
		
		protected SoulBreakingArrow(L2Npc npc) {
			_npc = npc;
		}
		
		@Override
		public void run() {
			_npc.setScriptValue(0);
		}
	}
	
	private class SongTask implements Runnable {
		private final FETWorld _world;
		private final int _status;
		
		SongTask(FETWorld world, int status) {
			_world = world;
			_status = status;
		}
		
		@Override
		public void run() {
			if (InstanceManager.getInstance().getWorld(_world.getInstanceId()) != _world) {
				return;
			}
			switch (_status) {
				case 0: // new song play
					if (_world.isVideo) {
						_world.songTask = ThreadPoolManager.getInstance().scheduleGeneral(new SongTask(_world, 0), 1000);
					} else if ((_world.frintezza != null) && !_world.frintezza.isDead()) {
						if (_world.frintezza.getScriptValue() != 1) {
							int rnd = getRandom(100);
							for (FrintezzaSong element : FRINTEZZASONGLIST) {
								if (rnd < element.chance) {
									_world.OnSong = element;
									broadCastPacket(_world, new ExShowScreenMessage(2, -1, 2, 0, 0, 0, 0, true, 4000, false, null, element.songName));
									broadCastPacket(_world, new MagicSkillUse(_world.frintezza, _world.frintezza, element.skill.getSkillId(), element.skill.getSkillLvl(), element.skill.getSkill().getHitTime(), 0));
									_world.songEffectTask = ThreadPoolManager.getInstance().scheduleGeneral(new SongTask(_world, 1), element.skill.getSkill().getHitTime() - 10000);
									_world.songTask = ThreadPoolManager.getInstance().scheduleGeneral(new SongTask(_world, 0), element.skill.getSkill().getHitTime());
									break;
								}
							}
						} else {
							ThreadPoolManager.getInstance().scheduleGeneral(new SoulBreakingArrow(_world.frintezza), 35000);
						}
					}
					break;
				case 1: // Frintezza song effect
					_world.songEffectTask = null;
					Skill skill = _world.OnSong.effectSkill.getSkill();
					if (skill == null) {
						return;
					}
					
					if ((_world.frintezza != null) && !_world.frintezza.isDead() && (_world.activeScarlet != null) && !_world.activeScarlet.isDead()) {
						final List<L2Character> targetList = new ArrayList<>();
						if (skill.hasEffectType(L2EffectType.STUN) || skill.isDebuff()) {
							for (int objId : _world.getAllowed()) {
								L2PcInstance player = L2World.getInstance().getPlayer(objId);
								if ((player != null) && player.isOnline() && (player.getInstanceId() == _world.getInstanceId())) {
									if (!player.isDead()) {
										targetList.add(player);
									}
									if (player.hasSummon() && !player.getSummon().isDead()) {
										targetList.add(player.getSummon());
									}
								}
							}
						} else {
							targetList.add(_world.activeScarlet);
						}
						if (!targetList.isEmpty()) {
							_world.frintezza.doCast(skill, targetList.get(0), targetList.toArray(new L2Character[targetList.size()]));
						}
					}
					break;
				case 2: // finish morph
					_world.activeScarlet.setRHandId(SECOND_SCARLET_WEAPON);
					_world.activeScarlet.setIsInvul(false);
					break;
			}
		}
	}
	
	private class IntroTask implements Runnable {
		private final FETWorld _world;
		private final int _status;
		
		IntroTask(FETWorld world, int status) {
			_world = world;
			_status = status;
		}
		
		@Override
		public void run() {
			switch (_status) {
				case 0:
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 1), 27000);
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 2), 30000);
					broadCastPacket(_world, new Earthquake(-87784, -155083, -9087, 45, 27));
					break;
				case 1:
					for (int doorId : FIRST_ROOM_DOORS) {
						closeDoor(doorId, _world.getInstanceId());
					}
					for (int doorId : FIRST_ROUTE_DOORS) {
						closeDoor(doorId, _world.getInstanceId());
					}
					for (int doorId : SECOND_ROOM_DOORS) {
						closeDoor(doorId, _world.getInstanceId());
					}
					for (int doorId : SECOND_ROUTE_DOORS) {
						closeDoor(doorId, _world.getInstanceId());
					}
					addSpawn(29061, -87904, -141296, -9168, 0, false, 0, false, _world.getInstanceId());
					break;
				case 2:
					_world.frintezzaDummy = addSpawn(29052, -87784, -155083, -9087, 16048, false, 0, false, _world.getInstanceId());
					_world.frintezzaDummy.setIsInvul(true);
					_world.frintezzaDummy.setIsImmobilized(true);
					
					_world.overheadDummy = addSpawn(29052, -87784, -153298, -9175, 16384, false, 0, false, _world.getInstanceId());
					_world.overheadDummy.setIsInvul(true);
					_world.overheadDummy.setIsImmobilized(true);
					_world.overheadDummy.setCollisionHeight(600);
					broadCastPacket(_world, new NpcInfo(_world.overheadDummy, null));
					
					_world.portraitDummy1 = addSpawn(29052, -89566, -153168, -9165, 16048, false, 0, false, _world.getInstanceId());
					_world.portraitDummy1.setIsImmobilized(true);
					_world.portraitDummy1.setIsInvul(true);
					
					_world.portraitDummy3 = addSpawn(29052, -86004, -153168, -9165, 16048, false, 0, false, _world.getInstanceId());
					_world.portraitDummy3.setIsImmobilized(true);
					_world.portraitDummy3.setIsInvul(true);
					
					_world.scarletDummy = addSpawn(29053, -87784, -153298, -9175, 16384, false, 0, false, _world.getInstanceId());
					_world.scarletDummy.setIsInvul(true);
					_world.scarletDummy.setIsImmobilized(true);
					
					stopPc();
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 3), 1000);
					break;
				case 3:
					broadCastPacket(_world, new SpecialCamera(_world.overheadDummy, 0, 75, -89, 0, 100, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.overheadDummy, 0, 75, -89, 0, 100, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.overheadDummy, 300, 90, -10, 6500, 7000, 0, 0, 1, 0, 0));
					
					_world.frintezza = (L2GrandBossInstance) addSpawn(FRINTEZZA, -87780, -155086, -9080, 16384, false, 0, false, _world.getInstanceId());
					_world.frintezza.setIsImmobilized(true);
					_world.frintezza.setIsInvul(true);
					_world.frintezza.disableAllSkills();
					updateKnownList(_world, _world.frintezza);
					
					for (int[] element : PORTRAIT_SPAWNS) {
						L2MonsterInstance demon = (L2MonsterInstance) addSpawn(element[0] + 2, element[5], element[6], element[7], element[8], false, 0, false, _world.getInstanceId());
						demon.setIsImmobilized(true);
						demon.disableAllSkills();
						updateKnownList(_world, demon);
						_world.demons.add(demon);
					}
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 4), 6500);
					break;
				case 4:
					broadCastPacket(_world, new SpecialCamera(_world.frintezzaDummy, 1800, 90, 8, 6500, 7000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 5), 900);
					break;
				case 5:
					broadCastPacket(_world, new SpecialCamera(_world.frintezzaDummy, 140, 90, 10, 2500, 4500, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 6), 4000);
					break;
				case 6:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 40, 75, -10, 0, 1000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 40, 75, -10, 0, 12000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 7), 1350);
					break;
				case 7:
					broadCastPacket(_world, new SocialAction(_world.frintezza.getObjectId(), 2));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 8), 7000);
					break;
				case 8:
					_world.frintezzaDummy.deleteMe();
					_world.frintezzaDummy = null;
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 9), 1000);
					break;
				case 9:
					broadCastPacket(_world, new SocialAction(_world.demons.get(1).getObjectId(), 1));
					broadCastPacket(_world, new SocialAction(_world.demons.get(2).getObjectId(), 1));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 10), 400);
					break;
				case 10:
					broadCastPacket(_world, new SocialAction(_world.demons.get(0).getObjectId(), 1));
					broadCastPacket(_world, new SocialAction(_world.demons.get(3).getObjectId(), 1));
					sendPacketX(new SpecialCamera(_world.portraitDummy1, 1000, 118, 0, 0, 1000, 0, 0, 1, 0, 0), new SpecialCamera(_world.portraitDummy3, 1000, 62, 0, 0, 1000, 0, 0, 1, 0, 0), -87784);
					sendPacketX(new SpecialCamera(_world.portraitDummy1, 1000, 118, 0, 0, 10000, 0, 0, 1, 0, 0), new SpecialCamera(_world.portraitDummy3, 1000, 62, 0, 0, 10000, 0, 0, 1, 0, 0), -87784);
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 11), 2000);
					break;
				case 11:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 240, 90, 0, 0, 1000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 240, 90, 25, 5500, 10000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SocialAction(_world.frintezza.getObjectId(), 3));
					_world.portraitDummy1.deleteMe();
					_world.portraitDummy3.deleteMe();
					_world.portraitDummy1 = null;
					_world.portraitDummy3 = null;
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 12), 4500);
					break;
				case 12:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 100, 195, 35, 0, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 13), 700);
					break;
				case 13:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 100, 195, 35, 0, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 14), 1300);
					break;
				case 14:
					broadCastPacket(_world, new ExShowScreenMessage(NpcStringId.MOURNFUL_CHORALE_PRELUDE, 2, 5000));
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 120, 180, 45, 1500, 10000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new MagicSkillUse(_world.frintezza, _world.frintezza, 5006, 1, 34000, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 15), 1500);
					break;
				case 15:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 520, 135, 45, 8000, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 16), 7500);
					break;
				case 16:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 1500, 110, 25, 10000, 13000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 17), 9500);
					break;
				case 17:
					broadCastPacket(_world, new SpecialCamera(_world.overheadDummy, 930, 160, -20, 0, 1000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.overheadDummy, 600, 180, -25, 0, 10000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new MagicSkillUse(_world.scarletDummy, _world.overheadDummy, 5004, 1, 5800, 0));
					
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 18), 5000);
					break;
				case 18:
					_world.activeScarlet = (L2GrandBossInstance) addSpawn(29046, -87789, -153295, -9176, 16384, false, 0, false, _world.getInstanceId());
					_world.activeScarlet.setRHandId(FIRST_SCARLET_WEAPON);
					_world.activeScarlet.setIsInvul(true);
					_world.activeScarlet.setIsImmobilized(true);
					_world.activeScarlet.disableAllSkills();
					updateKnownList(_world, _world.activeScarlet);
					broadCastPacket(_world, new SocialAction(_world.activeScarlet.getObjectId(), 3));
					broadCastPacket(_world, new SpecialCamera(_world.scarletDummy, 800, 180, 10, 1000, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 19), 2100);
					break;
				case 19:
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 300, 60, 8, 0, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 20), 2000);
					break;
				case 20:
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 500, 90, 10, 3000, 5000, 0, 0, 1, 0, 0));
					_world.songTask = ThreadPoolManager.getInstance().scheduleGeneral(new SongTask(_world, 0), 100);
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 21), 3000);
					break;
				case 21:
					for (int i = 0; i < PORTRAIT_SPAWNS.length; i++) {
						L2MonsterInstance portrait = (L2MonsterInstance) addSpawn(PORTRAIT_SPAWNS[i][0], PORTRAIT_SPAWNS[i][1], PORTRAIT_SPAWNS[i][2], PORTRAIT_SPAWNS[i][3], PORTRAIT_SPAWNS[i][4], false, 0, false, _world.getInstanceId());
						updateKnownList(_world, portrait);
						_world.portraits.put(portrait, i);
					}
					
					_world.overheadDummy.deleteMe();
					_world.scarletDummy.deleteMe();
					_world.overheadDummy = null;
					_world.scarletDummy = null;
					
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 22), 2000);
					break;
				case 22:
					for (L2MonsterInstance demon : _world.demons) {
						demon.setIsImmobilized(false);
						demon.enableAllSkills();
					}
					_world.activeScarlet.setIsInvul(false);
					_world.activeScarlet.setIsImmobilized(false);
					_world.activeScarlet.enableAllSkills();
					_world.activeScarlet.setRunning();
					_world.activeScarlet.doCast(INTRO_SKILL);
					_world.frintezza.enableAllSkills();
					_world.frintezza.disableCoreAI(true);
					_world.frintezza.setIsMortal(false);
					startPc();
					
					ThreadPoolManager.getInstance().scheduleGeneral(new DemonSpawnTask(_world), TIME_BETWEEN_DEMON_SPAWNS);
					break;
				case 23:
					broadCastPacket(_world, new SocialAction(_world.frintezza.getObjectId(), 4));
					break;
				case 24:
					stopPc();
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 250, 120, 15, 0, 1000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 250, 120, 15, 0, 10000, 0, 0, 1, 0, 0));
					_world.activeScarlet.abortAttack();
					_world.activeScarlet.abortCast();
					_world.activeScarlet.setIsInvul(true);
					_world.activeScarlet.setIsImmobilized(true);
					_world.activeScarlet.disableAllSkills();
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 25), 7000);
					break;
				case 25:
					broadCastPacket(_world, new MagicSkillUse(_world.frintezza, _world.frintezza, 5006, 1, 34000, 0));
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 500, 70, 15, 3000, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 26), 3000);
					break;
				case 26:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 2500, 90, 12, 6000, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 27), 3000);
					break;
				case 27:
					_world.scarlet_x = _world.activeScarlet.getX();
					_world.scarlet_y = _world.activeScarlet.getY();
					_world.scarlet_z = _world.activeScarlet.getZ();
					_world.scarlet_h = _world.activeScarlet.getHeading();
					if (_world.scarlet_h < 32768) {
						_world.scarlet_a = Math.abs(180 - (int) (_world.scarlet_h / 182.044444444));
					} else {
						_world.scarlet_a = Math.abs(540 - (int) (_world.scarlet_h / 182.044444444));
					}
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 250, _world.scarlet_a, 12, 0, 1000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 250, _world.scarlet_a, 12, 0, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 28), 500);
					break;
				case 28:
					_world.activeScarlet.doDie(_world.activeScarlet);
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 450, _world.scarlet_a, 14, 8000, 8000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 29), 6250);
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 30), 7200);
					break;
				case 29:
					_world.activeScarlet.deleteMe();
					_world.activeScarlet = null;
					break;
				case 30:
					_world.activeScarlet = (L2GrandBossInstance) addSpawn(SCARLET2, _world.scarlet_x, _world.scarlet_y, _world.scarlet_z, _world.scarlet_h, false, 0, false, _world.getInstanceId());
					_world.activeScarlet.setIsInvul(true);
					_world.activeScarlet.setIsImmobilized(true);
					_world.activeScarlet.disableAllSkills();
					updateKnownList(_world, _world.activeScarlet);
					
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 450, _world.scarlet_a, 12, 500, 14000, 0, 0, 1, 0, 0));
					
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 31), 8100);
					break;
				case 31:
					broadCastPacket(_world, new SocialAction(_world.activeScarlet.getObjectId(), 2));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 32), 9000);
					break;
				case 32:
					startPc();
					_world.activeScarlet.setIsInvul(false);
					_world.activeScarlet.setIsImmobilized(false);
					_world.activeScarlet.enableAllSkills();
					_world.isVideo = false;
					break;
				case 33:
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 300, _world.scarlet_a - 180, 5, 0, 7000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.activeScarlet, 200, _world.scarlet_a, 85, 4000, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 34), 7400);
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 35), 7500);
					break;
				case 34:
					_world.frintezza.doDie(_world.frintezza);
					break;
				case 35:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 100, 120, 5, 0, 7000, 0, 0, 1, 0, 0));
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 100, 90, 5, 5000, 15000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 36), 7000);
					break;
				case 36:
					broadCastPacket(_world, new SpecialCamera(_world.frintezza, 900, 90, 25, 7000, 10000, 0, 0, 1, 0, 0));
					ThreadPoolManager.getInstance().scheduleGeneral(new IntroTask(_world, 37), 9000);
					break;
				case 37:
					controlStatus(_world);
					_world.isVideo = false;
					startPc();
					break;
			}
		}
		
		private void stopPc() {
			for (int objId : _world.getAllowed()) {
				L2PcInstance player = L2World.getInstance().getPlayer(objId);
				if ((player != null) && player.isOnline() && (player.getInstanceId() == _world.getInstanceId())) {
					player.abortAttack();
					player.abortCast();
					player.disableAllSkills();
					player.setTarget(null);
					player.stopMove(null);
					player.setIsImmobilized(true);
					player.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
				}
			}
		}
		
		private void startPc() {
			for (int objId : _world.getAllowed()) {
				L2PcInstance player = L2World.getInstance().getPlayer(objId);
				if ((player != null) && player.isOnline() && (player.getInstanceId() == _world.getInstanceId())) {
					player.enableAllSkills();
					player.setIsImmobilized(false);
				}
			}
		}
		
		private void sendPacketX(L2GameServerPacket packet1, L2GameServerPacket packet2, int x) {
			for (int objId : _world.getAllowed()) {
				L2PcInstance player = L2World.getInstance().getPlayer(objId);
				if ((player != null) && player.isOnline() && (player.getInstanceId() == _world.getInstanceId())) {
					if (player.getX() < x) {
						player.sendPacket(packet1);
					} else {
						player.sendPacket(packet2);
					}
				}
			}
		}
	}
	
	private class StatusTask implements Runnable {
		private final FETWorld _world;
		private final int _status;
		
		StatusTask(FETWorld world, int status) {
			_world = world;
			_status = status;
		}
		
		@Override
		public void run() {
			if (InstanceManager.getInstance().getWorld(_world.getInstanceId()) != _world) {
				return;
			}
			switch (_status) {
				case 0:
					ThreadPoolManager.getInstance().scheduleGeneral(new StatusTask(_world, 1), 2000);
					for (int doorId : FIRST_ROOM_DOORS) {
						openDoor(doorId, _world.getInstanceId());
					}
					break;
				case 1:
					addAggroToMobs();
					break;
				case 2:
					ThreadPoolManager.getInstance().scheduleGeneral(new StatusTask(_world, 3), 100);
					for (int doorId : SECOND_ROOM_DOORS) {
						openDoor(doorId, _world.getInstanceId());
					}
					break;
				case 3:
					addAggroToMobs();
					break;
				case 4:
					controlStatus(_world);
					break;
			}
		}
		
		private void addAggroToMobs() {
			L2PcInstance target = L2World.getInstance().getPlayer(_world.getAllowed().get(getRandom(_world.getAllowed().size())));
			if ((target == null) || (target.getInstanceId() != _world.getInstanceId()) || target.isDead() || target.isFakeDeath()) {
				for (int objId : _world.getAllowed()) {
					target = L2World.getInstance().getPlayer(objId);
					if ((target != null) && (target.getInstanceId() == _world.getInstanceId()) && !target.isDead() && !target.isFakeDeath()) {
						break;
					}
					target = null;
				}
			}
			for (L2Npc mob : _world.npcList) {
				mob.setRunning();
				if (target != null) {
					((L2MonsterInstance) mob).addDamageHate(target, 0, 500);
					mob.getAI().setIntention(CtrlIntention.AI_INTENTION_ATTACK, target);
				} else {
					mob.getAI().setIntention(CtrlIntention.AI_INTENTION_MOVE_TO, MOVE_TO_CENTER);
				}
			}
		}
	}
	
	protected void broadCastPacket(FETWorld world, L2GameServerPacket packet) {
		for (int objId : world.getAllowed()) {
			L2PcInstance player = L2World.getInstance().getPlayer(objId);
			if ((player != null) && player.isOnline() && (player.getInstanceId() == world.getInstanceId())) {
				player.sendPacket(packet);
			}
		}
	}
	
	protected void updateKnownList(FETWorld world, L2Npc npc) {
		Map<Integer, L2PcInstance> npcKnownPlayers = npc.getKnownList().getKnownPlayers();
		for (int objId : world.getAllowed()) {
			L2PcInstance player = L2World.getInstance().getPlayer(objId);
			if ((player != null) && player.isOnline() && (player.getInstanceId() == world.getInstanceId())) {
				npcKnownPlayers.put(player.getObjectId(), player);
			}
		}
	}
	
	@Override
	public String onAttack(L2Npc npc, L2PcInstance attacker, int damage, boolean isSummon, Skill skill) {
		final InstanceWorld tmpworld = InstanceManager.getInstance().getWorld(npc.getInstanceId());
		if (tmpworld instanceof FETWorld) {
			final FETWorld world = (FETWorld) tmpworld;
			if ((npc.getId() == SCARLET1) && (world.getStatus() == 3) && (npc.getCurrentHp() < (npc.getMaxHp() * 0.80))) {
				controlStatus(world);
			} else if ((npc.getId() == SCARLET1) && (world.getStatus() == 4) && (npc.getCurrentHp() < (npc.getMaxHp() * 0.20))) {
				controlStatus(world);
			}
			if (skill != null) {
				// When Dewdrop of Destruction is used on Portraits they suicide.
				if (Util.contains(PORTRAITS, npc.getId()) && (skill.getId() == DEWDROP_OF_DESTRUCTION_SKILL_ID)) {
					npc.doDie(attacker);
				} else if ((npc.getId() == FRINTEZZA) && (skill.getId() == SOUL_BREAKING_ARROW_SKILL_ID)) {
					npc.setScriptValue(1);
					npc.setTarget(null);
					npc.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
				}
			}
		}
		return null;
	}
	
	@Override
	public String onSpellFinished(L2Npc npc, L2PcInstance player, Skill skill) {
		if (skill.isSuicideAttack()) {
			return onKill(npc, null, false);
		}
		return super.onSpellFinished(npc, player, skill);
	}
	
	@Override
	public String onKill(L2Npc npc, L2PcInstance player, boolean isSummon) {
		InstanceWorld tmpworld = InstanceManager.getInstance().getWorld(npc.getInstanceId());
		if (tmpworld instanceof FETWorld) {
			FETWorld world = (FETWorld) tmpworld;
			if (npc.getId() == HALL_ALARM) {
				ThreadPoolManager.getInstance().scheduleGeneral(new StatusTask(world, 0), 2000);
				if (debug) {
					_log.info("[Final Emperial Tomb] Hall alarm is disabled, doors will open!");
				}
			} else if (npc.getId() == DARK_CHOIR_PLAYER) {
				world.darkChoirPlayerCount--;
				if (world.darkChoirPlayerCount < 1) {
					ThreadPoolManager.getInstance().scheduleGeneral(new StatusTask(world, 2), 2000);
					if (debug) {
						_log.info("[Final Emperial Tomb] All Dark Choir Players are killed, doors will open!");
					}
				}
			} else if (npc.getId() == SCARLET2) {
				controlStatus(world);
			} else if (world.getStatus() <= 2) {
				if (npc.getId() == HALL_KEEPER_CAPTAIN) {
					if (getRandom(100) < 5) {
						npc.dropItem(player, DEWDROP_OF_DESTRUCTION_ITEM_ID, 1);
					}
				}
				
				if (checkKillProgress(npc, world)) {
					controlStatus(world);
				}
			} else if (world.demons.contains(npc)) {
				world.demons.remove(npc);
			} else if (world.portraits.containsKey(npc)) {
				world.portraits.remove(npc);
			}
		}
		return "";
	}
	
	@Override
	public String onTalk(L2Npc npc, L2PcInstance player) {
		int npcId = npc.getId();
		getQuestState(player, true);
		if (npcId == GUIDE) {
			enterInstance(player, new FETWorld(), "FinalEmperialTomb.xml", TEMPLATE_ID);
		} else if (npc.getId() == CUBE) {
			int x = -87534 + getRandom(500);
			int y = -153048 + getRandom(500);
			player.teleToLocation(x, y, -9165);
			return null;
		}
		return "";
	}
}
